<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <style>
        html {
            background-color: grey;
        }
        body {
            margin: 0;
        }
        #impo {
            text-align: center;
            background-color: white; 
            height: 80px; 
            line-height: 80px;
        }
        .nav {
            text-decoration: none; margin: 0 15px;
        }
        #image img{
            width: 100%;
        }
    </style>
    <title>布局与选择器</title>
</head>
<body>
    <div id="image">
        <img src="image/6.jpeg">
    </div>
    <div id="impo">
        <a href="#" class="nav">首页</a>
        <a href="#" class="nav">内容</a>
        <a href="#" class="nav">查看图片</a>
        <a href="#" class="nav">练习我们</a>
        <a href="#" class="nav">反馈意见</a>
    </div>
</body>
</html>